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GeForce GTX 780 Ti vs Nvidia Titan X

Intro

The GeForce GTX 780 Ti has a GPU core speed of 875 MHz, and the 3072 MB of GDDR5 memory runs at 1750 MHz through a 384-bit bus. It also is comprised of 2880 SPUs, 240 TAUs, and 48 ROPs.

Compare all of that to the Nvidia Titan X, which has a clock speed of 1417 MHz and a GDDR5X memory frequency of 1251 MHz. It also features a 384-bit memory bus, and uses a 16 nm design. It is made up of 3584 SPUs, 224 Texture Address Units, and 96 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Performance-wise, the Nvidia Titan X should theoretically be much superior to the GeForce GTX 780 Ti in general. (explain)

Nvidia Titan X 491520 MB/sec
GeForce GTX 780 Ti 336000 MB/sec
Difference: 155520 (46%)

Texel Rate

The Nvidia Titan X should be much (more or less 51%) faster with regards to anisotropic filtering than the GeForce GTX 780 Ti. (explain)

Nvidia Titan X 317408 Mtexels/sec
GeForce GTX 780 Ti 210000 Mtexels/sec
Difference: 107408 (51%)

Pixel Rate

If running with a high resolution is important to you, then the Nvidia Titan X is a better choice, by far. (explain)

Nvidia Titan X 136032 Mpixels/sec
GeForce GTX 780 Ti 42000 Mpixels/sec
Difference: 94032 (224%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 780 Ti

Amazon.com

Check prices at:

Nvidia Titan X

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 780 Ti Nvidia Titan X
Manufacturer nVidia nVidia
Year November 2013 August 2016
Code Name GK110 GP102-400
Memory 3072 MB 12288 MB
Core Speed 875 MHz 1417 MHz
Memory Speed 7000 MHz 10008 MHz
Power (Max TDP) 250 watts 250 watts
Bandwidth 336000 MB/sec 491520 MB/sec
Texel Rate 210000 Mtexels/sec 317408 Mtexels/sec
Pixel Rate 42000 Mpixels/sec 136032 Mpixels/sec
Unified Shaders 2880 3584
Texture Mapping Units 240 224
Render Output Units 48 96
Bus Type GDDR5 GDDR5X
Bus Width 384-bit 384-bit
Fab Process 28 nm 16 nm
Transistors 7080 million 12000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.4 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 780 Ti

Amazon.com

Check prices at:

Nvidia Titan X

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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